LSD with tramadol

LSD + Tramadol causes:

1. Neurochemical interactions: LSD primarily activates 5-HT₂A receptors, whereas tramadol is a weak μ-opioid agonist and simultaneously causes inhibition of serotonin and noradrenaline reuptake. As a result, both substances increase serotonergic excitability: LSD via receptor activation, tramadol via an increase in synaptic serotonin. Tramadol therefore has both opioid and SNRI effects.

2. Therapeutic effect: Tramadol adds an analgesic effect through μ-opioid activation, but barely influences the psychological effects of LSD. The psychedelic experience of LSD is not enhanced by tramadol; if there is an effect, it is rather that tramadol can alleviate some of the pain symptoms. No therapeutic synergy is known that enhances the effects of LSD. The opioid's slight dampening of anxiety during an LSD trip might possibly appear beneficial, but this has not been well studied.

3. Danger or risks: The combination carries a significant risk of serotonin syndrome because both substances increase serotonergic activity. Tramadol, in particular, is known as a serotonin-increasing painkiller, and in combination with a psychedelic serotonergic agonist such as LSD, this can lead to dangerous switching. The risk of seizures may also be increased: tramadol alone can trigger epileptiform seizures at high doses, and although LSD itself has no convulsive properties, the combination can pose a risk in sensitive patients. Furthermore, combined sedative effects may occur (tramadol causes drowsiness, LSD can cause confusion). Overdose risks, such as respiratory depression, are low at normal doses, but vigilance is required.